🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.78 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.88

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.17 AU - 1.95 AU

Year: 822 Days

Day: 22.6 Hours

Environment

Temp: -99 °C

Axial Tilt: 8.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.56

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.37 AU - 2.23 AU

Year: 1019 Days

Day: 20.8 Hours

Environment

Temp: -93 °C

Axial Tilt: 38.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 59,674,582 km

• M1: 486,043 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389

Radius: 9.1

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 3.87 AU - 5.09 AU

Year: 3999 Days

Day: 8.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,674,582 km

• M1: 113,246 km (0.039 R)
• M2: 440,117 km (0.072 R)
• M3: 757,863 km (0.104 R)
• M4: 1,072,018 km (0.12 R)
• M5: 2,906,387 km (0.105 R)
• M6: 3,286,067 km (0.067 R)
• M7: 5,147,513 km (0.091 R)
• M8: 5,601,094 km (0.108 R)
• M9: 6,559,418 km (0.119 R)
• M10: 12,017,347 km (0.063 R)
• M11: 13,368,814 km (0.061 R)
• M12: 14,669,418 km (0.093 R)
• M13: 15,790,055 km (0.099 R)
• M14: 16,264,430 km (0.05 R)
• M15: 17,464,504 km (0.057 R)
• M16: 18,605,637 km (0.027 R)
• M17: 20,162,502 km (0.032 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239.9

Radius: 13

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 4.26 AU - 7 AU

Year: 5634 Days

Day: 13 Hours

Environment

Temp: -177 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 59,674,582 km

• M1: 161,715 km (0.099 R)
• M2: 573,259 km (0.108 R)
• M3: 1,134,550 km (0.094 R)
• M4: 1,659,639 km (0.112 R)
• M5: 2,345,994 km (0.097 R)
• M6: 3,549,658 km (0.067 R)
• M7: 4,838,145 km (0.107 R)
• M8: 6,534,136 km (0.068 R)
• M9: 7,045,013 km (0.044 R)
• M10: 7,517,742 km (0.079 R)
• M11: 8,283,832 km (0.029 R)
• M12: 9,816,762 km (0.075 R)
• M13: 10,247,753 km (0.115 R)
• M14: 10,691,610 km (0.113 R)
• M15: 12,872,897 km (0.118 R)
• M16: 17,069,117 km (0.117 R)
• M17: 20,095,033 km (0.077 R)
• M18: 21,243,496 km (0.071 R)
• M19: 22,842,398 km (0.06 R)

Planet 5 - Ice Giant

Semi-Major Axis: 16.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 171.9

Radius: 6

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 14.35 AU - 18.23 AU

Year: 27729 Days

Day: 19.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,674,582 km

• M1: 76,744 km (0.117 R)
• M2: 470,635 km (0.104 R)
• M3: 700,567 km (0.102 R)
• M4: 1,368,970 km (0.053 R)
• M5: 2,355,718 km (0.103 R)
• M6: 2,878,562 km (0.093 R)
• M7: 3,475,757 km (0.113 R)
• M8: 4,553,610 km (0.076 R)
• M9: 4,747,488 km (0.112 R)
• M10: 6,665,932 km (0.064 R)
• M11: 9,616,750 km (0.093 R)
• M12: 10,208,559 km (0.086 R)
• M13: 13,938,034 km (0.094 R)
• M14: 16,442,302 km (0.102 R)
• M15: 17,601,685 km (0.065 R)
• M16: 35,022,657 km (0.115 R)
• M17: 37,588,260 km (0.117 R)
• M18: 50,531,318 km (0.057 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 542 - 11,503 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit